Tuesday 21 August 2018 ,
Tuesday 21 August 2018 ,
Latest News
  • Road crashes claim 15 lives in Narsingdi, Feni
  • 52 Bangladeshis pilgrims have so far died in Saudi
  • Safe road movement: 9 more students freed from Keraniganj jail
  • Khalishpur Meghna oil depot catches fire, 3 killed
  • Truck-microbus collision kills 6 in Feni
  • Myanmar tactfully delaying Rohingya repatriation
  • Movement for safe roads: 25 students get bail
19 March, 2018 00:00 00 AM

Skin cancers

Dr Wrishi Raphael
Skin cancers

Although skin cancers are not very common in Bangladesh, the effects of climate change have galvanized the incidence of such disorders around the world. According to WHO, between 2 and 3 million non-melanoma skin cancers and 132,000 melanoma skin cancers occur globally each year. As ozone levels are depleted, the atmosphere loses more and more of its protective filter function and more solar UV radiation reaches the Earth's surface. It is estimated that a 10 per cent decrease in ozone levels will result in an additional 300,000 non-melanoma and 4,500 melanoma skin cancer cases.

Squamous Cell Carcinoma (SCC) of the skin occurs from keratinocytes (cells of the outermost layer of the skin). Ultraviolet rays of the sun are the commonest cause of squamous cancers.

Such cancers of the mouth may also be caused by smoking, spirits, spices and Syphilis. Betel leaves and betel nuts – used as mouth fresheners in the Indian subcontinent is a risk factor for SCC.SCC is most common cutaneous malignancy organ transplant recipients.

Squamous Cell Cancer occurs in sun-exposed areas mostly the hands, forearms, anterior aspect of thighs, scalp (baldness is a risk factor) and lower lips.

Squamous cell carcinomas detected at an early stage and removed promptly are almost always curable and cause minimal damage. The Mohs skin surgery technique is the most efficacious treatment for squamous cell cancer, in which the lesion is surgically excised and surrounding tissue examined thoroughly for traces of cancer. Other treatment options include electro surgery, cryosurgery and radiation.

Basal Cell Carcinoma

Basal cell skin tumour is the commonest skin tumour in Australia. 80% of the patients are men and there is increased incidence among fair skinned people. This cancer also occurs on the sun exposed areas of the body including the face, neck, upper trunk and limbs.

This cancer grows very slowly and is not associated with the production of keratin scales. The lesion may be described as a pearly papule or nodule – more obvious if we pull the edges of the skin around the tumour. The surface of the tumour often sloughs out to form ulcers. Although there is no metastasis of basal cell carcinoma, the tumour spreads locally.

The treatment options for basal cell skin cancer is similar to squamous cell tumours, the commonest being Mohs surgery. Radiotherapy and photodynamic therapy may be helpful if surgery is not possible.

Melanoma

Melanoma is one of the commonest cancers of first world countries and it has malignant potential. Early diagnosis and treatment is of paramount importance. Poor prognostic features are summarised below:

Deeper the melanoma, worse the prognosis.

Certain sites especially the head, neck and trunk have been associated with worse prognosis.

Male patients aged beyond 50 years usually succumb to this condition then other patients

Amelanocytic melanoma is a common yet easily misdiagnosed variety of melanoma because the lesion is not as dark or well demarcated as the other varieties of melanoma

If lymphnodes are enlarged it is usually because the disease has spread beyond the confines of the skin.

Melanoma is known to spread to liver, lungs, brain and bowel. Excision of the tumour along with several millimetres of healthy skin remains the mainstay of treatment till date. If the tumour has spread to distant organs the more conventional modes of cancer therapy needs to be used. (Reprint)

 

Comments

Most Viewed
Digital Edition
More story
From the Editor

From the Editor

The eye is the most vital of all the sense organs of humankind. Through the eye we can see the most precious of the gifts of God; this most bounteous…
Retinal disorders

Retinal disorders

The retina is the light-sensitive membrane on the inner surface of the back of the eye. The optic nerve extends from the brain to about the center of…
Glaucoma

Glaucoma

Glaucoma is a serious eye disease and a common cause of blindness. It is responsible for 20% of blindness in Singapore. Glaucoma is caused by damage to…
Cataracts

Cataracts

A cataract is a clouding of the eye's natural lens, which lies behind the iris and the pupil. The lens works much like a camera lens, focusing light…
Refractive disorders

Refractive disorders

Normally, the eye creates a clear image because the cornea and lens bend (refract) incoming light rays to focus them on the retina. The shape of the cornea…
Autoimmune response contributes to vision loss in glaucoma patients

Autoimmune response contributes to vision loss in glaucoma patients

A research team from Massachusetts Eye and Ear and MIT has shown that immune cells in the eye that developed in response to early exposure to bacteria…
How blue light from smartphones can speed up blindness

How blue light from smartphones can speed up blindness

Staring at your mobile phone or laptop could speed up blindness, according to scientists.   A new study by Toledo University in Ohio found that blue…
Guide to personality disorders

Guide to personality disorders

What is a personality disorder? These mental health conditions affect your everyday life and relationships. They’re about how you think, feel, and…
Preventing and treating non-
communicable diseases

Preventing and treating non- communicable diseases

We aim to assess the burden of non-communicable diseases (NCDs) in Bangladesh, document the epidemiology and risk factors of the most common NCDs, and…
Occupational therapy for Chiari Malformation (CM)

Occupational therapy for Chiari Malformation (CM)

Chiari malformation is a problem with the structures at the back of the brain. An area of the brain called the cerebellum normally sits inside the back…
Regular exercise 'best for mental health'

Regular exercise 'best for mental health'

Regular physical activity lasting 45 minutes three to five times a week can reduce poor mental health - but doing more than that is not always beneficial,…
Stem cells restore some vision in blind mice

Stem cells restore some vision in blind mice

Scientists say they have restored some degree of vision in blind lab mice, by activating stem cells in their eyes. The procedure is the first of its kind…
FDA approves Perseris (risperidone) for the treatment of schizophrenia in adults

FDA approves Perseris (risperidone) for the treatment of schizophrenia in adults

Indivior PLC recently announced that the U.S. Food and Drug Administration (FDA) has approved Perseris, the first once-monthly subcutaneous risperidone-containing,…

Copyright © All right reserved.

Editor : M. Shamsur Rahman

Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Editor : M. Shamsur Rahman
Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Disclaimer & Privacy Policy
....................................................
About Us
....................................................
Contact Us
....................................................
Advertisement
....................................................
Subscription

Powered by : Frog Hosting